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TOUCH-SENSITIVE SURFACE

  • US 20120218218A1
  • Filed: 02/28/2011
  • Published: 08/30/2012
  • Est. Priority Date: 02/28/2011
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a transmitter configured to send an electrostatic signal;

    a receiver configured to receive the electrostatic signal using a capacitively coupled human body as a communication channel;

    a touch sensitive surface configured to provide a touch signal;

    whereinthe apparatus is configured at least to;

    measure the received electrostatic signal in response to the touch signal; and

    determine a body part of a user touching the touch sensitive surface based on the measured electrostatic signal.

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